2025-09-23 00:27:51 +08:00
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#include "initial.h"
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2025-11-01 20:29:11 +08:00
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#include <stdint.h>
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2025-09-23 00:27:51 +08:00
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2025-11-22 23:59:43 +08:00
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2025-09-23 00:27:51 +08:00
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/* retarget the C library printf function to the USART */
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u8 USART0_init() {
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gd_eval_com_init(EVAL_COM0);
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return 1;
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}
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2025-10-02 23:50:12 +08:00
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/*!
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\brief configure the watchdog peripheral
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\param[in] none
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\param[out] none
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\retval none
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*/
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u8 watchdog_init(u32 time) {
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u8 status = 0;
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/* configure FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
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/* time = reload_value / clock_frequency */
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status = fwdgt_config(time * 0.625, FWDGT_PSC_DIV64);
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fwdgt_enable();
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return status;
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}
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2025-11-02 01:54:01 +08:00
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2025-11-22 23:59:43 +08:00
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2025-09-23 00:27:51 +08:00
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int fputc(int ch, FILE *f) throw() {
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usart_data_transmit(EVAL_COM0, (uint8_t)ch);
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while (RESET == usart_flag_get(EVAL_COM0, USART_FLAG_TBE))
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;
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return ch;
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}
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